It is indicated that chimozine is relative to the forming of peritrophic membrane (PMb) and the den-sity of PMb determined whether Nosema Apis Zander can inject in the ventriculus epithelium.

蜜蜂中肠酪素酶与蜜蜂中肠形成有关，而致密度又决定了蜜蜂微孢子虫能否侵入蜜蜂中肠上皮细胞。